Photo: CityofSanCarlos · CC BY-SA 4.0San Carlos has 9.5 miles of mapped trails, 1.8 for every square mile of land
97% of residents live within a half mile of a park. The biggest trail networks: Eaton Park (3.2 mi), Big Canyon Park (2.6 mi), Arguello Park (1.2 mi). 5% of San Carlos’ land is conserved, about 182 acres.
Ahead of 80% of U.S. towns · #287 of 847 in California. What drives it
What kind of outdoors town is San Carlos?
Read from the map. The page puts what stands out first.
How much outdoors does San Carlos have?
On conserved land, trails, park land and how close residents live to a park, San Carlos is ahead of 80% of U.S. towns, #287 of 847 in California. Trail miles hold the grade up; park acres per resident pull it down.
PAD-US, OpenStreetMap (© OpenStreetMap contributors), Census 2025 Gazetteer and 2020 blocks; details in Sources below. How TownRatings grades the outdoors →
Conserved land, trails & bike routes
Tap a number to zoom to a park. Tap a layer to hide it.
Pick a walk
The longest trail network is Eaton Park, with 3.2 miles. Directions go to the nearest trailhead or public parking.
Big Canyon Park
Arguello Park
North Crestview Park
Hidden Canyon Park
All 13 parks & preserves
182 conserved acres
5% of San Carlos’ land. Who manages San Carlos’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Eaton Park Local Park | Town or city | 65 | Open |
| Big Canyon Park Local Park | Town or city | 55 | Open |
| Highlands Park Local Park | Town or city | 17 | Open |
| Arguello Park Local Park | Town or city | 16 | Open |
| Burton Park Local Park | Town or city | 9 | Open |
| Crestview Park Local Park | Town or city | 7 | Open |
| Vista Park Local Park | Town or city | 6 | Open |
| Heather Park Local Park | Town or city | 2 | Open |
| Laureola Park Local Park | Town or city | 2 | Open |
| Cedar Street Park Local Park | Town or city | 1 | Open |
1 smaller protected places aren’t shown.
23 places to go in San Carlos
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Plus 7 playgrounds without a name on the map. Tap “Show all on map” to see them.
Plus 3 picnic areas without a name on the map.
15 named trails
5 more trails
12 miles of bike routes
Bike lanes are often missing from the map in smaller towns, so that number is likely low.
Includes school and college facilities, which aren’t always open to the public.
3 places on the National Register
The country’s official list of places worth saving (National Park Service).
The best walking months in San Carlos: April to August
NOAA’s 1991–2020 normals for the town and the daylight at its latitude. Outlined months have long days, highs of 59 to 86 °F and little rain for the place.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.8 | 10.8 | 11.9 | 13.1 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.1 | 10.1 | 9.6 |
| High (°F) | 59 | 61 | 64 | 67 | 71 | 76 | 79 | 79 | 79 | 74 | 65 | 59 |
| Rain (in) | 4.5 | 4.5 | 3.5 | 1.6 | 0.7 | 0.2 | 0.0 | 0.0 | 0.1 | 1.0 | 2.3 | 4.5 |
July is the driest month (under 0.1 in) and August the warmest (highs of 79 °F). 4.5 inches fall in December, the wettest month. The climate in San Carlos →
San Carlos and its neighbors
Tap a town to see its outdoors.
| Town | Conserved of land | Trail mi per sq mi | Park acres per 1,000 | Near a park ½ mile | Outdoors |
|---|---|---|---|---|---|
| San Carlos | 5% | 1.8 | 8 | 97% | A− |
| Redwood City | 42% | 0.7 | 7 | 96% | A− |
| Belmont | 11% | 4.7 | 12 | 99%+ | A |
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in San Carlos
Where can I hike in San Carlos?
The longest trail networks: Eaton Park, 3.2 miles; Big Canyon Park, 2.6 miles; Arguello Park, 1.2 miles; North Crestview Park, 0.5 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
How much of San Carlos is conserved land?
5% of its land, against a typical 4% for a California town and 4% nationally (PAD-US). Conserved doesn’t always mean open to visitors: easements are usually private land.
Are dogs allowed on San Carlos’ trails?
OpenStreetMap records dogs as welcome at Eaton Park, Arguello Park (on leash) and Hidden Canyon Park (on leash). For the rest, check the signs at the trailhead.
Where can I bike in San Carlos?
12 miles of bike routes are on the map: 8.9 of painted or protected lanes, 1.1 of off-road paths and 2.4 of shoulders and shared lanes.
Is there public land near San Carlos?
28,736 acres of parks and open public land lie inside San Carlos or within 10 miles of it (PAD-US), 227 of them inside the city line.
How much outdoors does San Carlos have?
Ahead of 80% of U.S. towns on the Outdoors grade, #287 of 847 in California. The grade combines the share of land that is conserved, miles of mapped trail per square mile of land, park acres per 1,000 residents and the share of residents within a half mile of a park. It’s a character grade, so it isn’t part of the overall grade. How it works.
Trail talk
Conditions, parking and favorite walks from San Carlos neighbors.
Where this page comes from
Conserved and public land: USGS Protected Areas Database of the United States (PAD-US), service updated July 2026. Parks, trails, playgrounds, beaches and other places: OpenStreetMap (© OpenStreetMap contributors, ODbL), map data as of 2026-10-28. Land and water area: Census 2025 Gazetteer. Residents near a park: 2020 Census blocks. National Register: National Park Service. How TownRatings grades the outdoors →